Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Daniel B. Klein, MD

Individual provider Infectious Disease Physician · NPI 1245318096

Dr. Daniel B. Klein, MD is an Infectious Disease Physician in Hayward, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

27400 Hesperian Blvd
Hayward, CA 94545-4235
Phone: (510) 784-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence G28140 (CA)

Record details

NPI number1245318096
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESApril 30, 2014
Mailing address2500 Merced St, Kaiser Permanente, San Leandro, CA 94577

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